30440400332 has 12 divisors (see below), whose sum is σ = 53324462016. Its totient is φ = 15204839760.

The previous prime is 30440400323. The next prime is 30440400359. The reversal of 30440400332 is 23300404403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30440400298 and 30440400307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835643 + ... + 3843570.

It is an arithmetic number, because the mean of its divisors is an integer number (4443705168).

Almost surely, 2^30440400332 is an apocalyptic number.

It is an amenable number.

30440400332 is a deficient number, since it is larger than the sum of its proper divisors (22884061684).

30440400332 is a wasteful number, since it uses less digits than its factorization.

30440400332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680208 (or 7680206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 30440400332 its reverse (23300404403), we get a palindrome (53740804735).

The spelling of 30440400332 in words is "thirty billion, four hundred forty million, four hundred thousand, three hundred thirty-two".